Abstract:Porous aluminum samples were prepared by adding pore forming agent. The effects of sintering temperature and lanthanum fluoride content on the properties of porous aluminum were studied. The results show that the sintering performance of porous aluminum material is the best when the sintering temperature is 600 ℃, the mechanical properties of porous aluminum can be improved by adding lanthanum fluoride properly, and the compressive strength and elastic modulus of porous aluminum material are the best when the adding amount of lanthanum fluoride is 0.5%, which are 52.4 MPa and 1.56 GPA respectively.